Veterans Affairs Healthcare System 1 article published in JoVE Genetics CRISPR-Mediated Reorganization of Chromatin Loop Structure Stefanie L. Morgan*1,2, Erin Y. Chang*1, Natasha C. Mariano1, Abel Bermudez3, Nicole L. Arruda4, Fanting Wu5, Yunhai Luo1, Gautam Shankar1, Star K. Huynh1, Chiao-Chain Huang5, Sharon J. Pitteri3, Kevin C. Wang1,2,6 1Department of Dermatology, Program in Epithelial Biology, Stanford University School of Medicine, 2Program in Cancer Biology, Stanford University School of Medicine, 3Canary Center for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine, 4Department of Biology, Bridgewater State University, 5System Biosciences, 6Veterans Affairs Healthcare System Chromatin looping plays a significant role in gene regulation; however, there have been no technological advances that allow for selective and reversible modification of chromatin loops. Here we describe a powerful system for chromatin loop re-organization using CRISPR-dCas9 (CLOuD9), demonstrated to selectively and reversibly modulate gene expression at targeted loci.
